linux/arch/powerpc/kernel/ppc32.h
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

61 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _PPC64_PPC32_H
#define _PPC64_PPC32_H
#include <linux/compat.h>
#include <asm/siginfo.h>
#include <asm/signal.h>
/*
* Data types and macros for providing 32b PowerPC support.
*/
/* These are here to support 32-bit syscalls on a 64-bit kernel. */
struct pt_regs32 {
unsigned int gpr[32];
unsigned int nip;
unsigned int msr;
unsigned int orig_gpr3; /* Used for restarting system calls */
unsigned int ctr;
unsigned int link;
unsigned int xer;
unsigned int ccr;
unsigned int mq; /* 601 only (not used at present) */
unsigned int trap; /* Reason for being here */
unsigned int dar; /* Fault registers */
unsigned int dsisr;
unsigned int result; /* Result of a system call */
};
struct sigcontext32 {
unsigned int _unused[4];
int signal;
compat_uptr_t handler;
unsigned int oldmask;
compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */
};
struct mcontext32 {
elf_gregset_t32 mc_gregs;
elf_fpregset_t mc_fregs;
unsigned int mc_pad[2];
elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16)));
elf_vsrreghalf_t32 mc_vsregs __attribute__((__aligned__(16)));
};
struct ucontext32 {
unsigned int uc_flags;
unsigned int uc_link;
compat_stack_t uc_stack;
int uc_pad[7];
compat_uptr_t uc_regs; /* points to uc_mcontext field */
compat_sigset_t uc_sigmask; /* mask last for extensibility */
/* glibc has 1024-bit signal masks, ours are 64-bit */
int uc_maskext[30];
int uc_pad2[3];
struct mcontext32 uc_mcontext;
};
#endif /* _PPC64_PPC32_H */